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Hans Hahn - Wikipedia, the free encyclopedia (105 words) |
 | Hans Hahn (1879 - 1934) was an Austrian mathematician who made many contributions to functional analysis, topology, set theory, the calculus of variations, real analysis, and order theory. |
| Hahn's contributions to mathematics include the famous Hahn-Banach theorem and (independently of Banach and Steinhaus) the uniform boundedness principle. |
| Other theorems are the Hahn decomposition theorem, the Vitali-Hahn-Saks theorem, the Hahn-Mazurkiewicz theorem and the Hahn embedding theorem. |
| EKD-Bulletin (930 words) |
| When Hahn was asked about the changes that "Bread for the World" had experienced since 1969, he said that the most important was that the campaign was a "learning organisation": "we have learnt and I hope we will continue to learn". |
| Hahn named the reasons for the provisional non-membership: "we want the campaign "Bread for the World" to remain transparent as a fund-raising campaign, which it is in the structures of the church social services. |
| Hahn stresses at the same time his gratitude for the service which he has been allowed to perform for the past 30 years: "Gratitude is the keyword, now that I am leaving my job as a pastor and social service worker". |
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